"Our staff will assist you in recovering your property free of charge. Call the Treasury Department at 1-800-222-2046 before you do anything! Signing an agreement to have someone assist you in recovering unclaimed property may entail the payment of fees. Before signing any agreement, check with our office first." (taken from the Treasury Department
Bureau of Unclaimed Property Website)
It is worth taking note not to pay fees to someone else when it can be done for FREE. All the States' Unclaimed Property websites are easy to use and have the forms necessary for you to file it yourself.